Update index.html

Author: Athanaseus

installation/index.html

@@ -68,7 +68,7 @@ <h2 class="page-title">Docker and singularity</h2>
 
             <h2 class="page-title">Older releases</h2>
 
-            The old releases are KERN-0 for Ubuntu 14.04, KERN-1, KERN-2, KERN-3 for Ubuntu 16.04. KERN-4, KERN-5 and KERN-6 for Ubuntu 18.04.
+            The old releases are KERN-0 for Ubuntu 14.04, KERN-1, KERN-2, KERN-3 for Ubuntu 16.04. KERN-4, KERN-5 and KERN-6 for Ubuntu 18.04. KERN-7 for Ubuntu 20.04. 
             These releases have reached end of live and are not supported anymore. You can still use them though, also inside Docker
             containers.